Sealing ring



' w. A. MaCKx-:NZIE

sept. 13, 19.27.A

. SEALING RING Filed May 19. 1926 Patented Sept. 13, 1927.

Uru'ren STATES rarsnir-errica.

WILLIAM A. MACKENZIE, LONG BEACH, CALIORNIA, ASSIGNOR TO AMERICA BATTERY PRODUCTS C0EPURATION,l OE LONG BEACH, CALFORNIA, A CORPORA'- n TION OF DELAWARE.

Application filed May 19,

This invention relates to improvements in sealing rings or post sustaining plugs used in connection with storage batteriesand the like. 1

An object of the'invention isto provide an improved sealing ring or post sustaining plug which is advantageous over the construction disclosed in my prior Patent No. 15865306, issued February'19, 1924.

Another object of the inventionrconsists of providing a sealing ring or plugformed of an electrically non-conducting material and whiclris adapted to be sealed in place on'a battery cell cover.

A further object of the invention is to provide a rsealing plug of improved con struction which will form vwith the aid of a fusible sealing material a ver-y advantageous seal with the cover. v

A still further object yof the invention is toV provide a construction for mounting battery posts upon the covers, which will enable the eflicient use of a gasket for purposes hereinafter to be described.

lith the foregoing and other objects in view which will be made manifest in they following detailed description and specifically pointed out in the appended claims, reference is had to the accompanying drawings for an illustrative embodiment of the invention, wherein:

Figure 1` is a partial top plan view of a Vportion of a battery cellfcove-r illustrating the improved sealing ring or post sustaining plug in applied position,

Figa 2 is a vertical section taken on the line 2 2 of 1,

Fig. Sis a view in side elevation, parts being broken away'and shown in section illustrating the sealing ring or plug, and

Fig. l is a perspective view of the ferrule used as apart of the plug.

Referring to the accompanying drawings wherein similar reference characters desig nate similar parts throughout, the battery cell cover is generally designated at C, hav-` ing a' depression 10 formedl therein forms ing` a socket. In this socket there 1s positioned the sealing ring or plug 11, pref# erably formed of an electrically non-conducting material, such as hard rubber.V This plug is tapered in form and on its exterior surface there are formed la plurality of parallel grooves 12. The upper end of the plug is formed heXagonally in shape, as in- SEALIN'G RING.

1926. serial No.`11o,131

dicated at 13, to facilitate the application of a.v wrench or the like. Projecting from the top of the sealing ring is a metallic ferrule lwhich is arranged in alignment with the bore 15 formed in the plug. This ferrule isl slightly tapered and has its lower end im-v bedded in the body of the sealing ring, and has flanges16 for preventing its withdrawal.y The bore 15 is internally threaded, as clearly shown upon the drawing, and at the very bottom of the plug it is slightly enlarged, *asv indicated at 17, to receive a vflexible rubber gasket 18 adapted to be positioned about the battery post 19 above the shoulder 2O thereon. The battery post 19 is externally threaded in the usual manner and has its threads complementary to the threads on plug is tightened thereon and compresses the gasket 18, the sealing material hardening and forming a seal between the plug and the cover C. Then this has been done, a torch can be applied to the upper end of the ferrule 14 which is formed preferably of lead or thelike, and this ferrule can be ,melted slightly, causing` it to weld or fuse togetherwith the top of the battery post 19. The advantages of the improved construction are as follows: Heretofore when the body of the'plug 11 was formed ofymetal,

it has been found that th-erewas a slightV disadvantagev in that current` passing thro-ugh it tended to decompose the sealing material 21 by electrolysis. By the improved arrangement the body of the plug 11 doesnot convey currentand this electrolytic action does not takeplace. Furthermore, if

any water should happen to be spilled on.

top of the battery, it will not establish a circuit between the positive and negative poles, which would be the case ifv the upstanding portion 13 were formed of metal. The use of a non-conducting material, such l a w) no lnu'il ruhher, :iluo euolilen the plug;` to lie Colored, iiueh, for exemple, u# usiner u` red plug on :l positive pole und :1 liluel( plug.;l upon the neejzuive pole. rl`he gasket in laeiue' eoinpresueil lielu'eeu the plut;l unil lne ulieuhler Q0 ell'eetively prevenir: en v eeenpe ol :will vvhieli might creep up lietueen the pout und the plug or hetvveen the plug;` :nul the Cover, the hust uienlioneil ese; pe being' eepeeiullv (lionelvnnlngeoue in that it tenils to decompose the Sealing materiel. lfn :ulclition to the above eclvzmtegge, the inuu'oveil plugl een lie nnule nuu'h eheuper than where the entire plug is formed ol metalr` sueh lend, unil, furthermore, it is inueh liiepjhter, i.'eelueing the weight on the eov r.

From the :ihove cleseriheil eonetruetion it will he readily oppreeiatetl that the ini provetl eenling ring` is very :ul untneeiiiue :nul

'en lie Easily, quickly unil ehenplvv eon- Strueleti.

lt will he uiulertooil thut various4 ehnngers nui)l lie nuu'le in the (letuil ol (.iniulruel'irni without rlepnrliivelrozn the spirit or uenpe ol the invention zu; ilelineiil lu' lhe zuuienileil elniuie.

l. A linttery Jell cover lmvingg; :i .wol-hel, therein, :i post Suutuining plug; lilliine; iu will weitet, saliti plug;4 hnviugg n plurelitv nl' purel- .lel grooves :formed upon its exterior Surface, :unl n :fusible sealing lnoterizil disposed in Lemos@ oeiil grooves :unl hetvveen the plie;r :unl [he eover.

A batteur eell eover lnwing; n Hoehe! therein, :1 post :uieteiniugg plugl litlvinp' in uniil svoelv'etn will plugv lnivingg,4 u plurillitqv olf pn ';illelv groove# jl'orine-vl upon in; exl'erim.' :surl'su-e7 and :i 'lusilile en ling uiziierizil dieper-levi in snicl grooves :unl between the plugi; :nul llie cover, Suiiil plug;l being 'formell ol un eleelrililly non-eolulueting nniteriizl.

3. A liuttervv cell eover luivine; :i Socket therein, :i poet sustaining glug; litting; in mill sroelieli, enill plug having* :1 plurality olf panel lel grooves lorined upon itu eziterior enrlnee, :i lueilile eenling unite-,rial (fliulpiofseil in :':iiil grooves :incl lietvveen the plug unil the cover, Suid plug' heine` Alorn'ietl ol" un eleelrig'nlivV non-concluding; materiel, :nul :t peut extentie ing through the cover unil plue :nul beine; threoiletlly Connected lo the plug.

l battery cell cover iuiviiug; :i noi-het therein, :t poet suieluiniup; plug;a4 lifting` in f-:nul Sockel', s: iii pine' huvine' :i iiui'nlilv olf pzunllel ujrooveu l'orineil upon il exlerior uuri'mfe, :nul u tufriihle eulingnmleiinl (iii:- pweiwl in nhl groove# iielueen the plug); unil ille Hitler; ol mill uoilielq ,unici plug;i luiiug; :lorineri olf :in ijleelrizill)v nou-eoiuliuflinf@ materiel.

in testimony whereof l hnve :sieneil niyY nume to this opeeilientlon. 

